Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

59results about How to "Reduce glue overflow" patented technology

Preparation method of rigid-flex printed circuit board with blind groove

The invention belongs to the technical field of printed circuit boards, and discloses a preparation method of a rigid-flexible printed circuit board with a blind groove. The method comprises the following steps: (1) manufacturing a flexible board, and milling the position of the blind groove on the flexible board; (2) manufacturing a rigid plate, and milling the position of a blind groove in the rigid plate; (3) manufacturing prepregs, and milling blind groove positions and flexible areas on the prepregs; (4) stacking the rigid plate prepared in the step (2), the prepreg prepared in the step (3) and the flexible plate prepared in the step (1) in a staggered manner, respectively plugging blocking films in blind grooves of the rigid plate, the flexible plate and the prepreg, and performing laminating; (5) manufacturing an outer layer circuit; (6) performing hole milling and cover opening. By adopting the preparation method of the rigid-flex printed circuit board, the rigid-flex printed circuit board with the blind groove spanning over can be prepared, and the combination of the blind groove and the rigid-flex printed circuit board is realized; and the prepared rigid-flex printed circuit board has the blind slot excessive glue of less than or equal to 0.5 mm and the flatness of less than or equal to 0.1 mm.
Owner:珠海杰赛科技有限公司 +1

Die cutting production method for cut mark-free cotton adhesive tape

ActiveCN108247740AReduce usageAvoid anti-releaseMetal working apparatusAdhesiveStep number
The invention relates to a die cutting production method for a cut mark-free cotton adhesive tape . According to the method, a bottom film needs not to be replaced and waste is discharged conveniently, and the obtained cotton adhesive tape is free of burrs, cut marks and excessive glue. The production method comprises the following steps: feeding a laminated die obtained by laminating an isolatingfilm and the bottom film and the cotton adhesive tape without body paper step by step into a clearance machine for die cutting, wherein the cotton adhesive tape and the laminating die are stepped once after die cutting every time; cutting the middle main body part of the cotton adhesive tape by a lower cross cutter line, and forming a cotton adhesive tape unit, the width of which is equal to thestepping distance of the cotton adhesive tape, in the vertical direction of the middle main body part of the cotton adhesive tape during stepping every time and adhering the cotton adhesive tape unitto the surface of the isolating film; starting to calculate the die cutting number of times and the stepping number of times from 0 after stepping some time, encircling the cutting line of the middlemain body part of the isolating film by an upper cross cutter line and a side cutter line during (N+1)th die cutting and the cutting line of the middle main body part of the isolating film during Nthdie cutting after stepping for N times to form an isolating film unit; and discharging waste in the periphery of the isolating film unit.
Owner:成都冠佳科技有限公司

Semiconductor encapsulation conformation and used substrate thereof

The invention relates to a semiconductor packaging structure and base plate used thereby. The semiconductor packaging structure comprises a base plate which has a plurality of signal joint-fingers, a fictitious metal graph and at least a peripheral notch groove penetrating the base plate, a chip which is arranged on the base plate and has a plurality of welding cushions, a plurality of electrically connected elements for connecting the welding cushions of the chip and the signal joint-fingers of the base plate, and a sealed colloid body which is to seal the electrically connected elements and is filled in the peripheral notch groove. The fictitious metal graph extends the trimming to the peripheral notch groove and is electrically insulated from the signal joint-fingers, the base plate has a plurality of signal joint-fingers, the fictitious metal graph and at least a peripheral notch groove penetrating the base plate. Because the peripheral notch groove is favorable for mold flow to fill and reduce the excessive glue of mold seals and the shape of the trimming of the fictitious metal graph to the peripheral notch groove, the invention can inhibit the lateral warping amplitude of the base plate, lower the fracture probability produced by the base plate, and enhance the thermal stress resistance of the peripheral notch groove under the circulation of temperature, thereby avoiding the surface or the lateral sides of the chip from damaging.
Owner:POWERTECH TECHNOLOGY

Sensor packaging structure and packaging method

The invention provides a sensor packaging structure and a packaging method, and belongs to the technical field of semiconductors. The sensor packaging structure comprises: a substrate, wherein a sensing chip is arranged on the surface of the substrate, the working area of the sensing chip faces one side far away from the substrate, the circuit of the sensing chip is connected with the circuit of the substrate through a binding wire, a first accommodating groove is formed in the plate surface of a packaging cover plate, the first accommodating groove is filled with an insulating colloid, the packaging cover plate is arranged on the side, provided with the sensing chip, of the substrate in a covering mode, the binding wire is contained in the first accommodating groove so as to be embedded with the insulating colloid, the insulating colloid is used for bonding the packaging cover plate to the substrate, a second accommodating groove is formed in the side, close to the sensing chip, of the packaging cover plate, and the sensing chip is contained in the second accommodating groove. The invention aims to provide the sensor packaging structure and the packaging method, so that the binding wire connected between the sensing chip and the substrate can be well arranged and protected, the yield of the packaging structure is improved, and the packaging cost is reduced.
Owner:FOREHOPE ELECTRONICS NINGBO CO LTD

Method and system for dynamically controlling HTCC (high temperature co-fired ceramic) plate back epoxy resin glue quantity

The invention relates to a method and system for dynamically controlling the HTCC (high temperature co-fired ceramic) plate back epoxy resin glue quantity. The method comprises the following steps that 1, square-shaped epoxy resin glue is dispensed at the HTCC plate back part by a glue dispensing controller; 2, the square-shaped epoxy resin glue is divided into eight (0 to 7) area regions; 3, theshot 0-7 area region and the corresponding standard 0-7 area regions are compared to obtain the area percent of each region; the average percent is obtained; 4, if the average percent is smaller than99 percent, a pressure boosting instrument is given out; if the average percent is greater than or equal to 99 percent but is smaller than or equal to 101 percent, the instrument is not given out; ifthe average percent is greater than 101 percent, a pressure reduction instrument is given out; 5, the air pressure value is updated for dynamically controlling the epoxy resin glue outlet quantity; the square-shaped epoxy resin glue is divided into the eight (0-7) area regions and is then compared with the standard image for comparison to obtain the average value. The epoxy resin glue area of eachregion of the glue dispensing route is comprehensively considered and analyzed; the accurate data support is provided for the subsequent product dynamic glue quantity control; poor phenomena such asglue overflow and camera lens falling are reduced.
Owner:东莞高伟光学电子有限公司

Display device and manufacturing method thereof

The invention discloses a display device and a manufacturing method thereof, and belongs to the technical field of display. The display device comprises a first substrate and a second substrate which are oppositely arranged, wherein the side, which faces the second substrate, of the first substrate comprises a plurality of light-emitting elements; an adhesive layer is filled between the first substrate and the second substrate, and the first substrate and the second substrate are attached through the adhesive layer; and at least part of the adhesive layer extends to the edge position of the second substrate in the direction parallel to the plane where the first substrate is located. The manufacturing method of the display device is used for manufacturing the display device. The manufacturing method comprises the steps of providing a first substrate; sequentially arranging light-emitting elements and an adhesive layer on the first substrate; and providing a second substrate, wherein the first substrate and the second substrate are attached through the adhesive layer, and at least part of the adhesive layer extends to the edge position of the second substrate. According to the invention, the process steps are reduced, the manufacturing cost is reduced, the process efficiency is improved, and the product yield can be improved.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Die cutting method convenient for detection

The invention relates to a die cutting detection process. The die cutting detection process comprises the following steps that an OCA (Optically Clear Adhesive) is placed on a heavy release film, andthe OCA and the heavy release film are laminated together through a laminating machine to form a composite film; the upper surface of the composite film is coated with a layer of uniform degumming protective agent; the composite film is stamped by using a blanking die, an OCA layer is blanked into a proper shape, and a detection mark is left on the composite film through a marking device; the composite film obtained in the previous step is stood for 15 minutes; a light release film is put on the upper surface of the composite film, and the light release film and the composite film are laminated through the laminating machine to form a finished film; the finished film is stamped by using a forming die, and a product is stamped and formed; and the machined product is detected; The degummingprotective agent is added in the film laminating process, bubbles are reduced, and the separation of the product and an adhesive tape is facilitated; and the die cutting effect of the product is directly judged by observing whether the product has the detection mark or not, other equipment is not needed for measurement, and defective products can be directly found.
Owner:东莞艾塔极新材料科技有限公司

Manufacturing method of intelligent full-color toning COB light source

The invention discloses a manufacturing method of an intelligent full-color toning COB light source. The intelligent full-color toning COB light source comprises a packaging substrate, a COB chip and solid crystal glue. When the packaging substrate is prepared, an original solid crystal area is creatively set into a plurality of transverse die bonding grooves and longitudinal die bonding grooves, the sizes of the transverse die bondinggrooves and the longitudinal die bonding grooves are consistent with the sizes of the COB chip needing to be glued, meanwhile, the grooves are formed in the die bonding grooves, and after glue is dispensed in the die bonding grooves subsequently, the die bonding glue can enter the grooves, so that the glue overflowing condition can be reduced to a great extent, the die bonding glue is not prone to covering the side edge of the COB chip during glue joint, and the electric leakage condition is avoided. The COB light source prepared by the invention is high in light emitting efficiency and uniform in light emitting, the side edge of the COB chip is not coated with glue in the preparation process, the die bonding glue does not overflow, and the COB light source is high in yield and reliability, excellent in light emitting effect and higher in practicability.
Owner:ZHUHAI HONGKE OPTOELECTRONICS

A repair system and method for alleviating radial rubber overflow of active tire molds

The invention discloses a repair system for relieving excessive glue of a tire segment mold. The repair system comprises a control device, a parameter measuring device, a data processing device and an executing device. The parameter measuring device is used for measuring data, the control device is in control connection with the measuring device and the executing device, an output end of the measuring device is electrically connected with an input end of the data processing device, and an output end of the data processing device is electrically connected with the executing device; the data processing device comprises a data storage and a data processor, the data storage is used for storing set standard data, the data processor is used for computing and processing the data measured by the parameter measuring device, and then processing results of the data processor are transmitted to the executing device. The invention further discloses a repair method. The repair system and the repair method have the advantages that various dimensions of products manufactured by the aid of the repair system and the repair method can meet requirements of national standards, the mold repair efficiency can be improved, the repair cost can be reduced, and skill requirements of the segment mold on staffs can be lowered.
Owner:KENDA RUBBER CHINA

Equipment for injecting glue into bottle caps

The invention discloses equipment for injecting glue into bottle caps. The equipment structurally comprises a control machine case, an operation button, an operation panel, a base, an overflow cuttingdevice, a discharging pipe, a glue injection box, a sol box and a glue pipe. The control machine case is perpendicular to the rear end of the glue injection box. The operation button is embedded andinstalled in the outer wall of the operation panel. The equipment for injecting the glue into the bottle caps is structurally provided with the overflow cutting device, when the equipment is started and used, the bottle caps enter an armature from a material pipe, a half gear is used for rotationally driving an upper top plate to move downwards, when the upper top plate moves downwards, a cuttingtool embedded in the upper top plate trims the bottle caps, bearing columns are used for fixing the descending height of the upper top plate, and after cutting is finished, the upper top plate continuously descends, a lower contact is connected, an electromagnet is powered on through the contact, the armature is attracted, and the bottle caps above the armature fall down and are collected. By means of the device, the situation of glue overflow of the manufactured bottle caps can be reduced, and the product quality is improved.
Owner:徐美琴

Hot air/laser edge sealing strip back-coated with thermoplastic polyester elastomer (TPEE) polymer material

The invention relates to the technical field of edge bands, in particular to a thermoplastic polyester elastomer (TPEE) polymer material back-coated hot air/laser edge band which comprises a UV gloss oil layer, a printing ink layer, a plastic base material layer, a joining layer PU and a modified TPEE polymer back-coated adhesive layer which are sequentially arranged from top to bottom. By adopting the modified TPEE polymer back coating adhesive layer, the problem of heat resistance is solved from the aspect of materials, the defects of adhesive overflowing and material blocking of the edge sealing strip are reduced, and the production efficiency is improved. The product percent of pass is improved and the reject ratio is reduced. The appearance attractiveness is improved, the surface smoothness is improved, and the surface hardness is improved. The product heat resistance is improved. Compared with an existing material, the processing temperature error-tolerant rate is improved, and processing in a small temperature range is not needed. The crystallization efficiency is improved, the cooling effect is accelerated, and the opening time is shortened. The edge sealing quality effect is improved, the zero-glue-line effect is achieved, and the viscous force of the edge strip and the plate is improved.
Owner:惠州市华富新材料有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products